[bootloader] add quotes to config

src/modules/bootloader/bootloader.conf

@@ -3,14 +3,13 @@
 # and amount of time before default selection boots
 # Optionally set the menu entry name to use in Gummiboot. If not specified here,
 # this setting will be taken from branding.desc.
-# bootloaderEntryName: KaOS-kf5
-kernel: /vmlinuz-linux
-img: /initramfs-linux.img
-fallback: /initramfs-linux-fallback.img
-kernelLine: Linux fallback kernel
-fallbackKernelLine: Linux fallback kernel
-
-timeout: 10
+# bootloaderEntryName: "KaOS-kf5"
+kernel: "/vmlinuz-linux"
+img: "/initramfs-linux.img"
+fallback: "/initramfs-linux-fallback.img"
+kernelLine: "Linux fallback kernel"
+fallbackKernelLine: "Linux fallback kernel"
+timeout: "10"
 
 # GRUB 2 binary names and boot directory
 # Some distributions (e.g. Fedora) use grub2-* (resp. /boot/grub2/) names.